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PRESS CONTACT

Henning Bakken

Utel Systems

Tel: +47 3288 3545

Release of the new STINGA SIP Simulator

Grimstad (Norway), December 1^st, 2004: Utel Systems has released their new SIP Protocol Simulator in the STINGA test instrument series. The main features of this instruments are:

- Simulating a SIP terminal or a SIP proxy.

- SIP message simulation over TCP and UDP.
- SIP Call Generation is supported (load testing).

- Supporting standard Ethernet adapters (no special hardware required).

- Powerful scripting language (Visual Basic like).

- RTP sending and termination (using G.711 codec).

- Script Editor, and SIP and SDP Message Builder.

- Supporting the following specifications:

- RFC2327 - SDP: Session Description Protocol

- RFC2617 - HTTP Authentication: Basic and Digest Access Authentication,

applied to SIP.

- RFC2778 - A Model for Presence and Instant Messaging.

- RFC2779 - Instant Messaging/Presence Protocol Requirements (IMPP).

- RFC2833 - RTP Payload for DTMF Digits, Telephony Tones and Telephony

Signals.

- RFC2976 - The SIP INFO Method.

- RFC3261 - Session Initiation Protocol (SIP).

- RFC3262 - Reliability of Provisional Responses in SIP.

- RFC3264 - An Offer/Answer Model with the

Session Description Protocol (SDP).

- RFC3265 - SIP-Specific Event Notification.

- RFC3311 - The SIP UPDATE Method.

- RFC3515 - The SIP REFER Method.

- RFC3550 - RTP: A Transport Protocol for Real-Time Applications.

About Utel Systems

Utel Systems was founded in September 1998. The technology and products have been developed for a period of 10 years within Telenor, the major Norwegian telecommunication carrier. The company is focusing on providing their customers with a combination of telecom know-how, price efficient products and systems, on-site training/assistance and fast access to expert support. The products and services are therefore all built on a solid platform of signalling know-how. This platform is continuously strengthened through tight hands on interrelations with the largest customers.

Utel Systems is defining the Nordic countries to be the home market and is here addressing carriers/network operators, service providers and equipment manufacturers directly. International sales is focused on Europe, the US, Asia and Australia through an increasing network of dedicated, local partners/distributors.

For more information, please visit the corporate web-site at: www.utelsystems.com.

Note to editors: All company or product names mentioned in this press release may be trademarks or registered trademarks of the respective companies with which they are associated.

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